1seed

: a player or team that is ranked as one of the best in a competition (such as a tennis tournament) in order to be sure that the best players or teams do not play against each other in the early part of the competition

pluralseedorseeds

Full Definition of SEED

1

a (1): the grains or ripened ovules of plants used for sowing (2): the fertilized ripened ovule of a flowering plant containing an embryo and capable normally of germination to produce a new plant; broadly: a propagative plant structure (as a spore or small dry fruit)

b: a propagative animal structure: (1):milt, semen(2): a small egg (as of an insect) (3): a developmental form of a lower animal suitable for transplanting; specifically:spat